> 57% of voters in the republican iowa caucuses identify themselves as evangelicals, supported rick santorum over mitt romney, many uneasy on his views like abortion and his moremmon faith >> you originally said that the romney campaign snubbed social conservatives. >> he has tried to make that outreach to social conservatives as well as economic conservatives, done a good job here in iowa. >> reporter: iowa's evangelical voters seem to be moving into mitt romney's camp here in traditionally democratic dubuque, catholic voters we spoke with here are split over issues like abortion, contraception and the government's role in providing for the poor. >> the life issues, which many catholics, most catholics hold dear and central to their faith, but then there's this bloef that remains that within the democratic party somehow cares for the poor better. i just think it comes down to that tepgs. >> reporter: how big a role does your catholic religion play in your vote? >> i think it's big. i'm an ex-nun. and i -- the group of nuns that i'm associated with to this day are pushing for obama. >> is th